Myofibril is made up of - Study guides, Class notes & Summaries

AMP 1 test nervous system & muscular Question and answers 2023 verified to pass skeletal muscle - correct answer is responsible for voluntary movement of the body. They are made up of muscle fibers with connective tissue wrappings Epimysium - correct answer the dense, fibrous connective tissue surrounding the entire muscle. At the ends of the muscle it is continuous with the tendons and periosteum of the bone. Perimysium - correct answer The connective tissue that surround bundle...

Describe the events of fertilisation that occur after the acrosome reaction. -Membrane of sperm and egg cell fuse together -cortical granules release contents into zona pellucida -Zona pellucida thickens -Haploid nuclei fuse Explain how phospholipids form a cell surface membrane -Hydrophilic parts associate with water -Hydrophobic parts repel water -a bilayer forms with hydrophobic parts pointing in towards the centre of the bilayer Describe the role of the CFTR protein in e...

BIOD151 - Module 5 Summary, Complete Solution With pictures and diagrams For Your Module 5 Exams. Figure 5.1 Posterior view of the nervous system. The brain and spinal cord (central nervous system) connect to the peripheral nervous system. Examples of peripheral nerves are spinal nerves (cervical, thoracic, and lumbar), the upper trunk of the brachial plexus, and the radial nerve. (3) Divisions of the Spinalis thoracis, cervicis, capitis Spinalis Thoracis Origin: spinous processes ...

Kinesiology Practice Test with Complete S Proximal - Closer to the midline of the body Distal - Farther away from the midline of the body Superficial - Closer to the surface Deep - Closer to the incide center of the body medial - Towards the center Lateral - towards the outer sides anterior - front Posterior - behind or back Supine - laying horizontally on the back with the face looking at the ceiling Prone - laying on the stomach face down Linea Alba - The tendo...

What connective tissue surrounds a muscle fiber? - Answer endomysium What connective tissue surrounds a muscle fascicle? - Answer perimysium muscle fiber is made up of bundles of - Answer myofibril What does the perimysium wrap around? - Answer fascicle the endomysium cover - Answer muscle fiber the location where a muscle attaches to a movable bone is - Answer insertion what are the 2 types of myofilaments? - Answer actin and myosin what is it called wh...

Sarcomere -the basic unit of muscle contraction -Lined up to form the long structure (myofibril) -2 major elements of sarcomere -Actin (thin filament)= stabilized by tropomyosin, activated by troponin -myosin (thick filament) -Stabilized by titan and Nebulin -Z disk on either end, shared with next sarcomere over Nebulin anchors each thin actin filaments together at the center of the sarcomere Titan -Largest protein known to be made in cells. -Extends from Z-disk and tethers the thick filaments...

BTEC Applied Science Unit 1 Biology Exam 118 Questions with Answers Describe the function of the nucleolus - CORRECT ANSWER Produces ribosomes and RNA Describe the function of the cell wall - CORRECT ANSWER Provides rigidity and protection to the cell Describe the function of the chloroplasts - CORRECT ANSWER Site of photosynthesis as they contain chlorophyll Describe the function of the plasmodesmata - CORRECT ANSWER A channel through the cell wall the allows transport of materials ...

Anatomy Exam 3: Skeletal Muscle 4 general properties of muscle -Answer-excitability contractility elasticity extensibility excitability of muscle (general property) -Answer-generates graded and action potentials (through same mechanisms as neurons) contractility property of muscle -Answer-muscles use action potential to initiate process of contraction - generates force elasticity property of muscle -Answer-muscles constantly change size don't lose membrane integrity when experiencing ...

Anatomy Lecture Exam 2 IU Questions and Answers 100% Pass Internal Intercostals - Answer- Depress the ribs during exhalation, fibers run inferolaterally Skeletal Muscle Tissue - Answer- Voluntary movement of body Maintenance of Posture Muscle tone (continual contraction) Gross Anatomy of Skeletal Muscle - Answer- made up of muscle fibers(cells) Each is an organ and many work in groups Attaches to bone via tendons(dense regular CT) has aponeuroses ( flattened sheet like tendons) Endomy...

ATI TEAS 7 Exam Test Bank 300 Questions with Answers A+ Latest l ATI TEAS 7 Exam Test Bank 300 Questions with Answers A+ 1. How are carbohydrates used by the body? Choose ALL answers that apply. • structure • Communication • storage • Recognition 2. What type of immunity does a vaccine provide? Choose only ONE best answer. • naturally acquired passive immunity • Artificially acquired passive immunity • Naturally acquired active immunity • Artificially acquired acti...